uboot-imx

mvebu: usb: xhci: a38x support

This makes the initial changes need to support the
a38x series of SOCs.  It adds the device-tree identifier
as well as changing the board_support function to take
the IO address designated by device-tree.

Signed-off-by: Jon Nettleton <jon@solid-run.com>
[baruch: use fdt_addr_t; update 37xx and 8K implementations]
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>